Enum rustc_infer::infer::RegionVariableOrigin[−][src]

pub enum RegionVariableOrigin {
    MiscVariable(Span),
    PatternRegion(Span),
    AddrOfRegion(Span),
    Autoref(Span, AssocItem),
    Coercion(Span),
    EarlyBoundRegion(Span, Symbol),
    LateBoundRegion(Span, BoundRegionKind, LateBoundRegionConversionTime),
    UpvarRegion(UpvarId, Span),
    Nll(NllRegionVariableOrigin),
}
Expand description

Reasons to create a region inference variable

See error_reporting module for more details

Variants

MiscVariable(Span)
Expand description

Region variables created for ill-categorized reasons, mostly indicates places in need of refactoring

PatternRegion(Span)
Expand description

Regions created by a &P or [...] pattern

AddrOfRegion(Span)
Expand description

Regions created by & operator

Autoref(Span, AssocItem)
Expand description

Regions created as part of an autoref of a method receiver

Coercion(Span)
Expand description

Regions created as part of an automatic coercion

EarlyBoundRegion(Span, Symbol)
Expand description

Region variables created as the values for early-bound regions

LateBoundRegion(Span, BoundRegionKind, LateBoundRegionConversionTime)
Expand description

Region variables created for bound regions in a function or method that is called

UpvarRegion(UpvarId, Span)
Nll(NllRegionVariableOrigin)
Expand description

This origin is used for the inference variables that we create during NLL region processing.

Implementations

impl RegionVariableOrigin[src]

pub fn span(&self) -> Span[src]

Trait Implementations

impl Clone for RegionVariableOrigin[src]

fn clone(&self) -> RegionVariableOrigin[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Debug for RegionVariableOrigin[src]

fn fmt(&self, f: &mut Formatter<'_>) -> Result[src]

Formats the value using the given formatter. Read more

impl Copy for RegionVariableOrigin[src]

Auto Trait Implementations

impl RefUnwindSafe for RegionVariableOrigin

impl !Send for RegionVariableOrigin

impl !Sync for RegionVariableOrigin

impl Unpin for RegionVariableOrigin

impl UnwindSafe for RegionVariableOrigin

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<'tcx, T> ArenaAllocatable<'tcx, ()> for T where
    T: Copy, [src]

pub fn allocate_on(self, arena: &'a Arena<'tcx>) -> &'a mut T[src]

pub fn allocate_from_iter(
    arena: &'a Arena<'tcx>,
    iter: impl IntoIterator<Item = T>
) -> &'a mut [T][src]

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> ToOwned for T where
    T: Clone, [src]

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T[src]

Creates owned data from borrowed data, usually by cloning. Read more

pub fn clone_into(&self, target: &mut T)[src]

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.

impl<T> WithConstness for T[src]

fn with_constness(self, constness: Constness) -> ConstnessAnd<Self>[src]

fn with_const(self) -> ConstnessAnd<Self>[src]

fn without_const(self) -> ConstnessAnd<Self>[src]

impl<'a, T> Captures<'a> for T where
    T: ?Sized, [src]